OPSWAT

machine learning engineer in cybersecurity

In short

Middle-level Machine Learning Engineer role at a cybersecurity company (OPSWAT), based onsite in a new Budapest office. The job involves training and fine-tuning ML models, building evaluation suites, analyzing false positives/negatives, and packaging models for handoff to an engineering team. Requires 2+ years of ML/applied data science experience and strong Python skills.

About OPSWAT
OPSWAT develops an end-to-end cybersecurity platform for IT, OT, and ICS critical infrastructure. Its solutions help organizations protect complex networks, secure devices, and meet compliance requirements.
Responsibilities
•Train and fine-tune models using curated datasets, and run systematic hyperparameter and architecture experiments
•Build and maintain evaluation suites, including regression tests for model behavior and benchmarks across model versions
•Analyze false positives and false negatives, and translate findings into dataset or training improvements
•Package models with documentation, benchmarks, and reproducible evaluation results for handoff to the Engine team
•Contribute to internal tools for experiment tracking and model comparison
Requirements
•2+ years of experience in ML engineering or applied data science
•Strong Python skills and hands-on experience with modern model training and fine-tuning workflows
•Experience with structured model evaluation, including accuracy, precision/recall trade-offs, drift, and edge-case analysis
•Comfortable working with defined acceptance criteria and production constraints
Conditions
•The role is based in the newly opening Budapest office
•No other conditions specified

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